:root {
    /* --primary-frame-color: #00A4D3; /* Vibrant Blue for frame and header bg */
    --primary-frame-color: #00A9E0; /* 蓝色边框和标题背景 */
    --card-bg-color: #ffffff;
    
    --subtitle-text-color: #111111; /* Dark color for subtitle on blue background */
    --text-color: #000000;
    --label-color: #000000;
    --value-color: #000000;
    --footer-text-color: #000000; /* Footer text is black */
    --footer-bg-color: #f8f9fa; /* Very light grey for footer background */

    /* Energy Meter Colors - remain from previous good adjustment */
    --energy-level-1: #4CAF50; /* 绿色 */
    --energy-level-2: #8BC34A; /* 浅绿色 */
    --energy-level-3: #FFEB3B; /* 黄色 */
    --energy-level-4: #FF9800; /* 橙色 */
    --energy-level-5: #F44336; /* 红色 */

    --font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --border-radius: 28px; /* 增大圆角半径 */
}

body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    background-color: var(--primary-frame-color);
}

.energy-label-card {
    background-color: var(--card-bg-color);
    border-radius: var(--border-radius);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    width: 100%;
    max-width: 420px;
    margin: 20px auto;
    overflow: hidden;
    transform: translateZ(0); /* 启用硬件加速，优化移动端渲染 */
}

.card-header {
    background-color: var(--primary-frame-color);
    padding: 20px;
    text-align: center;
}

.card-header h1 {
    font-size: 28px;
    margin: 0 0 5px 0;
    font-weight: bold;
    color: #ffffff;
}

.card-header p { /* GRADUATE STUDENT ENERGY LABEL */
    font-size: 14px;
    margin: 0;
    color: var(--subtitle-text-color);
    font-weight: bold;
}

.card-body {
    padding: 20px;
}

.main-content {
    display: flex;
    margin-bottom: 20px;
    align-items: flex-start;
}

.energy-efficiency-meter {
    display: grid;
    grid-template-columns: auto 1fr auto;
    grid-template-rows: auto 1fr auto;
    gap: 5px 10px;
    width: 180px;
    position: relative;
    margin-right: 20px;
}

.meter-label-top {
    grid-column: 1 / 2;
    grid-row: 1 / 2;
    font-size: 12px;
    text-align: left;
    align-self: end;
    padding-bottom: 2px;
    color: var(--text-color);
    font-weight: bold;
}

.meter-bar-container {
    grid-column: 1 / 3;
    grid-row: 2 / 3;
    position: relative;
    width: 110px;
    height: 140px;
    margin-left: auto;
    margin-right: 10px;
}

.meter-bar {
    position: absolute;
    left: 0;
    right: 0;
    height: 25px;
    color: white;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    clip-path: polygon(0 0, 100% 0, 90% 100%, 10% 100%);
}

.meter-bar.level-1 {
    background-color: var(--energy-level-1);
    top: 0;
    width: 70%;
    left: 15%;
}

.meter-bar.level-2 {
    background-color: var(--energy-level-2);
    top: 28px;
    width: 80%;
    left: 10%;
}

.meter-bar.level-3 {
    background-color: var(--energy-level-3);
    top: 56px;
    width: 90%;
    left: 5%;
    color: #333;
}

.meter-bar.level-4 {
    background-color: var(--energy-level-4);
    top: 84px;
    width: 95%;
    left: 2.5%;
}

.meter-bar.level-5 {
    background-color: var(--energy-level-5);
    top: 112px;
    width: 100%;
    left: 0;
}

.meter-label-bottom {
    grid-column: 1 / 2;
    grid-row: 3 / 4;
    font-size: 12px;
    text-align: left;
    align-self: start;
    padding-top: 2px;
    color: var(--text-color);
    font-weight: bold;
}

.meter-indicator {
    grid-column: 3 / 4;
    grid-row: 2 / 3;
    display: flex;
    align-items: center;
    position: relative;
    align-self: start;
    padding-top: 0;
    transition: padding-top 0.3s ease;
}

.meter-indicator span {
    background-color: var(--energy-level-5);
    color: white;
    padding: 5px 10px;
    font-size: 16px;
    font-weight: bold;
    border-radius: 4px;
    margin-left: -10px;
    position: relative;
    clip-path: polygon(0 50%, 20% 0, 100% 0, 100% 100%, 20% 100%);
    padding-left: 15px;
}

/* 添加指示器三角形 */
.meter-indicator span::before {
    content: "";
    position: absolute;
    left: -10px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-right: 10px solid var(--energy-level-5);
}

/* 更新能耗等级按钮的激活状态样式 */
.energy-level-btn.active {
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

/* 根据当前等级设置指示器位置 */
.meter-indicator[data-level="1"] {
    padding-top: 0;
}

.meter-indicator[data-level="2"] {
    padding-top: 28px;
}

.meter-indicator[data-level="3"] {
    padding-top: 56px;
}

.meter-indicator[data-level="4"] {
    padding-top: 84px;
}

.meter-indicator[data-level="5"] {
    padding-top: 112px;
}

.details-section {
    flex-grow: 1;
    font-size: 14px;
    padding-top: 20px;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}

.detail-item .label {
    font-weight: bold;
    color: var(--label-color);
    margin-right: 5px;
    white-space: nowrap;
}

.detail-item .value {
    color: var(--value-color);
    text-align: right;
}

.stats-table {
    margin-bottom: 20px;
    font-size: 14px;
    border-top: 1px solid #eeeeee;
    padding-top: 15px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding: 0 5px;
}

.stat-label {
    color: var(--label-color);
    flex-basis: 65%;
    text-align: left;
    font-weight: bold;
}

.stat-value {
    color: var(--value-color);
    flex-basis: 35%;
    text-align: right;
    font-weight: bold;
    position: relative;
}

.stat-value::before {
    content: "";
    position: absolute;
    left: -20px;
    right: 0;
    bottom: -3px;
    height: 1px;
    background-color: #eee;
}

.additional-info {
    font-size: 14px;
    border-top: 1px solid #eeeeee;
    padding-top: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    padding: 0 5px;
}

.info-item .label {
    color: var(--label-color);
    font-weight: bold;
    margin-right: 5px;
    white-space: nowrap;
}

.info-item .value {
    color: var(--value-color);
    text-align: right;
    flex-grow: 1;
    font-weight: bold;
    position: relative;
}

.info-item .value::before {
    content: "";
    position: absolute;
    left: -20px;
    right: 0;
    bottom: -3px;
    height: 1px;
    background-color: #eee;
}

.card-footer {
    background-color: var(--primary-frame-color);
    padding: 10px 20px;
    text-align: center;
    color: white;
}

.card-footer p {
    margin: 0;
    font-size: 16px;
    font-weight: bold;
    color: white;
}

.editable {
    cursor: text;
    transition: all 0.2s;
}

.editable:hover {
    background-color: rgba(0, 0, 0, 0.05);
    border-radius: 2px;
}

body:not(.show-edit-outline) .editable[contenteditable="true"] {
    outline: none !important;
    background-color: inherit !important;
}

body.show-edit-outline .editable[contenteditable="true"] {
    outline: 1px dashed #cccccc;
    background-color: rgba(0, 123, 255, 0.05);
}

/* 能耗等级按钮样式 */
.energy-level-btn {
    flex: 1;
    text-align: center;
    border: 1px solid #ccc;
    transition: all 0.2s;
    cursor: pointer;
}

.energy-level-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.energy-level-btn[data-level="1"] {
    background-color: var(--energy-level-1);
    color: white;
}

.energy-level-btn[data-level="2"] {
    background-color: var(--energy-level-2);
    color: white;
}

.energy-level-btn[data-level="3"] {
    background-color: var(--energy-level-3);
    color: black;
}

.energy-level-btn[data-level="4"] {
    background-color: var(--energy-level-4);
    color: white;
}

.energy-level-btn[data-level="5"] {
    background-color: var(--energy-level-5);
    color: white;
}

/* 自定义字段编辑按钮 */
.edit-fields-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #f0f0f0;
    color: #333;
    border: none;
    border-radius: 4px;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 16px;
}

.edit-fields-btn:hover {
    background-color: #e0e0e0;
}

.edit-fields-btn i {
    margin-right: 6px;
}

/* 字段编辑面板 */
.fields-editor {
    background-color: #f8f9fa;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 16px;
}

.field-editor-item {
    display: flex;
    margin-bottom: 8px;
}

.field-editor-item input {
    flex: 1;
    padding: 6px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.field-editor-item input:first-child {
    margin-right: 8px;
    flex: 1.5;
}

.field-editor-item input:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.add-field-btn {
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    padding: 6px 12px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
}

.add-field-btn:hover {
    background-color: #218838;
}

.add-field-btn i {
    margin-right: 6px;
}

.remove-field-btn {
    background-color: #dc3545;
    color: white;
    border: none;
    border-radius: 4px;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.remove-field-btn:hover {
    background-color: #c82333;
}

/* 图片预览样式 */
#image-preview {
    transition: all 0.3s ease;
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-top: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

#preview-image {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    transition: opacity 0.2s;
    -webkit-user-select: none;
    user-select: none;
    touch-action: manipulation;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    margin: 0 auto;
}

/* 为移动设备添加提示样式 */
@media (hover: none) {
    #preview-image {
        -webkit-tap-highlight-color: transparent;
    }
    
    #image-preview::after {
        content: "长按图片保存";
        display: block;
        text-align: center;
        color: #666;
        padding: 10px 0 0;
        font-size: 14px;
    }
}

/* 响应式样式 */
@media (max-width: 768px) {
    .energy-label-card {
        width: 100%;
        margin: 10px auto;
    }
    
    .main-content {
        flex-direction: column;
    }
    
    .energy-efficiency-meter {
        margin: 0 auto 20px;
    }
    
    .details-section {
        padding-top: 0;
    }
    
    /* 改善移动端按钮点击体验 */
    .energy-level-btn {
        padding: 10px 5px !important;
        font-size: 14px;
    }
    
    #export-btn {
        padding: 12px !important;
    }
}